Powerful antioxidant protection * This decaffeinated green tea extract is a 100:1 herbal extract containing catechins, a class of powerful antioxidant compounds known as polyphenols. It contains a minimum of 90% catechins, with epigallocatechin gallate, the most powerful catechin, making up a minimum of 70% of the content. This concentrated extract contains a high epigallocatechin gallate (EGCG) content, providing important antioxidant support for all cells in the body.